On Fri, Feb 06, 2009 at 10:42:39AM +0100, Chris Thompson wrote: > Hi all. > I run two mail and web servers from my house on a DSL line. Until a few > weeks ago I was on cable but a new ISP launched some good SME offers and I > decided to make the switch.
And I drop all connections to port 25 from IP addresses, that have a reverse DNS entry like dsl.foo.bar, dynamic.foo.bar, dhcp.foo.bar. There is a 99.999% chance, that a botnet is talking to you. I hope, you are using a smarthost and do not send directly. So long, Aiko -- :wq ✉ -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org